{
  "manageEntity": {
    "action": "Create",
    "entityId": "2015068156",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2015068156,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x1a88a3e7d91e22c74f917276a5bc9deba13cf58736fac731f82132d3370bb60a",
    "signature": "0x4ac6fc90f75d431e70bf8fd2a07472e63f860563e22aec235c8bf62f2508275e59fd68c787ab801fa83f229924ba027974e45bf99d49528846748c4ed94da8f81b",
    "signer": "0x4B0a22A25ed0c580309e8a5565722854C6b7873A",
    "userId": "308261833"
  }
}